you'll find reviews on home repair to healthcare written by people just like you. with angie's list, i know who to call, and i know the results will be fantastic. angie's list -- reviews you can trust. deadly explosion at the boston marathon. among them, three guardsmen. they found themselves in a combat zone. joining me is welch, madore, welcome to all three of you. thank you for joining me. >> thank you for having us. >> you went down there, you were just running the marathon for fallen heroes and then suddenly you're back into a war zone. what were your feelings? let me start with you, if i may, staff sergeant mchl acadore. >> i think we did a great thing. we went in there, did what we've been trained to do. the first responders are in there, policemen, the first responders, the medical tent. it was really good. we just did what we had to do to take care of the people in need. >> steven, you were guests of the president, i believe, at the interfaith service. very raw and passionate speech. what was it like to be there? >> it was -- first of all, it was an honor